./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3381f893b51659740208d183047dc7a08e935843 .......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3381f893b51659740208d183047dc7a08e935843 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:53,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:53,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:53,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:53,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:53,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:53,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:53,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:53,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:53,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:53,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:53,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:53,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:53,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:53,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:53,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:53,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:53,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:53,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:53,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:53,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:53,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:53,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:53,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:53,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:53,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:53,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:53,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:53,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:53,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:53,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:53,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:53,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:53,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:53,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:53,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:53,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:53,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:53,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:53,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:53,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:53,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:39:53,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:53,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:53,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:53,536 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:53,536 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:53,536 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:53,536 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:53,537 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:53,537 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:53,537 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:53,538 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:53,538 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:53,539 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:53,539 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:53,539 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:53,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:39:53,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:39:53,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:53,540 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:39:53,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:53,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:53,541 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:39:53,541 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:39:53,541 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:39:53,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:53,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:53,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:53,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:53,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:53,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:53,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:53,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:53,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:53,545 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:53,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:53,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:53,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:53,546 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3381f893b51659740208d183047dc7a08e935843 [2020-11-28 07:39:53,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:53,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:53,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:53,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:53,868 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:53,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2020-11-28 07:39:53,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data/904a41490/d484b0dfa7a549bb80317dbabd81fe02/FLAG6a870d88d [2020-11-28 07:39:54,765 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:54,766 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2020-11-28 07:39:54,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data/904a41490/d484b0dfa7a549bb80317dbabd81fe02/FLAG6a870d88d [2020-11-28 07:39:54,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data/904a41490/d484b0dfa7a549bb80317dbabd81fe02 [2020-11-28 07:39:54,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:54,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:54,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:54,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:54,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:54,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:54" (1/1) ... [2020-11-28 07:39:54,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a7d6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:54, skipping insertion in model container [2020-11-28 07:39:54,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:54" (1/1) ... [2020-11-28 07:39:54,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:55,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:56,437 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:39:56,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9879e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:56, skipping insertion in model container [2020-11-28 07:39:56,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:56,439 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:56,442 INFO L168 Benchmark]: Toolchain (without parser) took 1530.64 ms. Allocated memory is still 92.3 MB. Free memory was 58.1 MB in the beginning and 60.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:56,443 INFO L168 Benchmark]: CDTParser took 4.37 ms. Allocated memory is still 71.3 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:56,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1525.08 ms. Allocated memory is still 92.3 MB. Free memory was 57.9 MB in the beginning and 60.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:56,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.37 ms. Allocated memory is still 71.3 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1525.08 ms. Allocated memory is still 92.3 MB. Free memory was 57.9 MB in the beginning and 60.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:58,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:58,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:58,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:58,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:58,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:58,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:58,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:58,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:58,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:58,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:58,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:58,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:58,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:58,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:58,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:58,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:58,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:58,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:58,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:58,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:58,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:58,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:58,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:58,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:58,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:58,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:58,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:58,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:58,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:58,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:58,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:58,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:58,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:58,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:58,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:58,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:58,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:58,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:58,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:58,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:58,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:39:59,034 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:59,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:59,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:59,037 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:59,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:59,037 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:59,037 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:59,037 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:59,038 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:59,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:39:59,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:39:59,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:59,041 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:39:59,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:59,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:59,042 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:39:59,042 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:39:59,042 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:39:59,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:59,042 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:59,043 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:59,043 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:59,043 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:59,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:59,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:59,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:59,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:59,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:59,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:59,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:59,058 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:59,059 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:59,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:59,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:59,059 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3381f893b51659740208d183047dc7a08e935843 [2020-11-28 07:39:59,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:59,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:59,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:59,478 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:59,478 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:59,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2020-11-28 07:39:59,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data/0283006e3/9516a9e732214d5e9be0bd8a77789ad2/FLAGdb6d7b3da [2020-11-28 07:40:00,387 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:40:00,388 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2020-11-28 07:40:00,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data/0283006e3/9516a9e732214d5e9be0bd8a77789ad2/FLAGdb6d7b3da [2020-11-28 07:40:00,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_75e42700-225e-46d7-9f16-10c128ef436b/bin/utaipan/data/0283006e3/9516a9e732214d5e9be0bd8a77789ad2 [2020-11-28 07:40:00,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:40:00,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:40:00,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:40:00,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:40:00,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:40:00,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:40:00" (1/1) ... [2020-11-28 07:40:00,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24078ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:00, skipping insertion in model container [2020-11-28 07:40:00,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:40:00" (1/1) ... [2020-11-28 07:40:00,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:40:00,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:40:01,637 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:40:01,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27834876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:40:01, skipping insertion in model container [2020-11-28 07:40:01,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:40:01,639 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:40:01,641 INFO L168 Benchmark]: Toolchain (without parser) took 1161.53 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 25.8 MB in the beginning and 43.0 MB in the end (delta: -17.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:01,642 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 35.3 MB in the beginning and 35.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:01,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1156.78 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 25.6 MB in the beginning and 43.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:01,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 35.3 MB in the beginning and 35.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1156.78 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 25.6 MB in the beginning and 43.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...